Self-test The DPP-350 has a built-in test pattern that shows the printer’s
current configuration as well as the various resident printer fonts.
The self-test can also be used as a troubleshooting tool to
determine printing problems or battery level. The steps below
show how the self-test is printed activated.
• Resident font sizes
• Characters per line
• Text formatting
• Resident character set
• Resident barcode symbols
• Printer’s Configuration
Figure 8
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DPP-350 User Manual v1.09